-49.32% is the change from 813 to 412
Calculation steps:
[( 412 - 813 ) ÷ 813] x 100 = -49.32%
Formula
Percentage change = [(412 - 813) / 813] x 100
Subtract the new number by the original number
412 - 813 = -401
-401 ÷ 813 = -0.4932349323493235
-0.4932349323493235 x 100 = -49.32%